Connecting tube cap



FIG. 1 is a perspective view showing the new, original, and ornamentaldesign of a connecting tube cap;

FIG. 2 is a right elevation view thereof, the left side being a mirrorimage;

FIG. 3 is a front elevation view thereof, the rear side being a mirrorimage;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6. is a cross-sectional view taken in the direction of line 6-6 ofFIG. 2;

FIG. 7 is an enlarged view taken from section 7 of FIG. 6; and,

FIG. 8 is an enlarged view taken from section 8 of FIG. 6.

In FIGS. 2 and 6, the broken lines represent sectional designations thatform no part of the claim.

CLAIM The ornamental design for a connecting tube cap, as shown anddescribed.